Ashokan Reservoir. Forms for concrete plug, 26 feet thick, in stream control conduit in Olive Bridge dam. The 6 foot opening at bottom carries the flow of Esopus creek. Contract 3. August (NYPL b13814376 435345)

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Size: 1265px × 1974px
Photo credit: © Historic Collection / Alamy / Afripics
License: Licensed
Model Released: No

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